A daily intake of 1,200 milligrams of this mineral should prevent osteoporosis.
A. phosphorus
B. iron
C. calcium
D. vitamin A
C. calcium
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Oxidoreductase apoenzymes utilize a coenzyme to function. The NAD+ and FAD coenzymes
A. are reduced when they add electrons to the substrate. B. are reduced when they remove electrons from the substrate. C. are oxidized when they remove electrons from the substrate. D. carry only electrons between molecules.
True or False: The bright colored patterns of a flower's petals act as signals to an insect that nectar and pollen are available, and in this way the sender manipulates the behavior of the receiver
A. true B. false
How fast something moves
What will be an ideal response?
The human body generally forms antibodies ("immune chemicals") to foreign substances detected in the blood plasma or in interstitial spaces within a short time. Explain why the malaria organism, unlike "short-lived" influenza and other infections, can survive in the human host to cause recurrent chills and fevers for years.
What will be an ideal response?